PVC covered 8mm diameter copper conductors are mainly used as down conductors on a building's structural lightning protection system. There is a choice of five standard PVC colours to match the most common building materials and provide an aesthetic finish to the external lightning protection system. All the PVC coverings are UV stablished although some discolouration may occur over time.

8mm 直径的PVC包裹实行铜圆线主要用于建筑物防雷系统的引下线。有五种颜色可选，以适应大多数建筑物外观的颜色。所有PVC层都有可能长期暴露而褪色。

Material: Copper to BS EN 13601 (formerly BS 1433).

材料：纯铜 PVC colours to BS 5252.